Loose wheel nut indicator

Loose wheel nut indicator

Loose wheel nut indicators are small pointed tags, usually made of fluorescent yellow plastic, which are fixed to the lug nuts of the wheels of large vehicles.cite web|url=http://www.inextrade.net/e/wcheck.html|title=Wheel Check Loose wheel-nut indicator|publisher=Inextrade|accessdate=2007-08-19] The tag rotates with the nut, and if the nut becomes loose, the point of the tag shifts noticeably out of alignment with the other tags. If too many lug nuts are loosened, the wheel can detach from the wheel stud; loose wheel nut indicators allow identification of loose nuts before this can occur.cite web|url=http://www.checkpoint-safety.com/index1.htm|title=Checkpoint|publisher=Business Lines|accessdate=2007-08-19]

Loose wheel nut indicators are used both by auto mechanics to identify lug nuts which require tightening, and by accident investigators to detect faults after accidents. Although not compulsory in most jurisdictions, road safety bodies recommend their use, especially on large or heavy vehicles such as buses, coaches and lorries.cite web|url=http://www.brake.org.uk/index.php?p=951|title=Wheel Loss|publisher=Brake|accessdate=2007-08-19]

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